Over the last several decades, nurse practitioners have assumed increasingly important roles in the healthcare system. However, some state scope of practice laws limit the ability of nurse practitioners to deliver care by requiring physician supervision of their practices and prescribing...

We measure and examine data error in health, education and income statistics used to construct the Human Development Index. We identify three sources of data error which are due to (i) data updating, (ii) formula revisions and (iii) thresholds to classify a country's development status. We...

This paper: outlines an algorithm for concording U.S. ten-digit Harmonized System export and import codes over time; describes the concordances we construct for 1989 to 2004; and provides Stata code that can be used to construct similar concordances for arbitrary beginning and ending years from 1989...

This paper demonstrates that short sales are often misclassified as buyer-initiated by the Lee-Ready and other commonly used trade classification algorithms. This result is due in part to regulations which require short sales be executed on an uptick or zero-uptick. In addition, while the...

We develop a novel system of re-classifying historical exchange rate regimes. One difference between our study and previous classification efforts is that we employ an extensive data base on market-determined parallel exchange rates. Our 'natural' classification algorithm leads to a stark...

After a brief introduction and examination of the economic rationale for accounting for foreign direct investment (FDI), we survey information on outward investors from Hong Kong and Singapore with the aim of illuminating the implications of accounting for such FDI by geographical source or by...

Almost $10 trillion is benchmarked to Morgan Stanley Capital International's Developed, Emerging, Frontier, and standalone market indexes. Reclassifications from one index to another require thousands of investors to decide how to react. We study a comprehensive sample of past reclassifications...

Detailed country-by-country chronologies are an informative companion piece to our paper "Exchange Arrangements Entering the 21st Century: Which Anchor Will Hold?," which provides a comprehensive history of anchor or reference currencies, exchange rate arrangements, and a new measure of foreign...

This paper provides a comprehensive history of anchor or reference currencies, exchange rate arrangements, and a new measure of foreign exchange restrictions for 194 countries and territories over 1946-2016. We find that the often-cited post-Bretton Woods transition from fixed to flexible...